My trsII (I know it sucks you don't have to tell me) doesn't stay in tune anymore. (Yes it actually did once) So I read the info in the tech area and from what I can see I should replace the posts. I am going to do this tomorrow but the tech at the guitar shop said I should replace the springs. Do they wear out? Could this be the problem? or should I replace the posts. The guitar just doesn't come back up to pitch after I push down on the trem. The guitar has never been gig'd but has been played daily for the past five years or so.